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Author Question: Melting and freezing are A) changes of phase. B) opposite processes. C) both of these D) ... (Read 57 times)

jparksx

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on: Jul 29, 2018
Melting and freezing are
 
  A) changes of phase.
  B) opposite processes.
  C) both of these
  D) neither of these

Question 2

A large cylindrical water tank is mounted on a platform with its central axis vertical. The water level is 3.75 m above the base of the tank, and base is 6.50 m above the ground. A small hole 2.22 mm in diameter has formed in the base of the tank.
 
  Both the hole and the top of the tank are open to the air. We can ignore air resistance and treat water as an ideal fluid with a density of 1000 kg/m3. (a) How many cubic meters of water per second is this tank losing? (b) How fast is the water from the hole moving just as it reaches the ground?


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bigcheese9

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

(a) 3.26  10-5 m3/s (b) 14.2 m/s


jparksx

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Reply 2 on: Jul 29, 2018
Gracias!

xthemafja

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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